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), light from the earliest galaxies began a multi-billion-year journey toward Earth.

: Analysis of the light showed high amounts of ionized oxygen and hydrogen, signaling that the first generations of stars had already begun "seeding" the universe with the elements necessary for future planets and life. ), light from the earliest galaxies began a

When JWST finally turned its gold-plated mirrors toward the same patch of sky, the "8.7z" galaxy was no longer a mystery. The data revealed: The data revealed: Here is a story of

Here is a story of discovery centered on that distant frontier: The Echo of the First Stars At this (notated as For decades, astronomers peered

Today, serves as a vital milepost. It is the boundary where the "Dark Ages" ended and the "Age of Reionization" began, turning the universe transparent and paving the way for the stars we see tonight.

In the vast expanse of the cosmos, "8.7z" refers to a point in time so distant that the universe was only about 600 million years old—a mere infant compared to its current age. At this (notated as

For decades, astronomers peered through the Hubble Space Telescope, searching for the "cosmic dawn"—the moment the first stars flickered to life. They found a faint smudge in the Hubble Ultra Deep Field, a galaxy later confirmed to exist at . To Hubble, it was just a ghostly hint, a pixelated whisper of the past.